Home / 87,361.44-120,563.12-49,133.04

Finding the Fourth Proportional to 87,361.44, 120,563.12 and 49,133.04

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Solution

The fourth proportional to 87,361.44, 120,563.12 and 49,133.04 is: 67,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,361.44 : 120,563.12 = 49,133.04 : x
  2. Step 2: Convert to fraction form
    87,361.44/120,563.12 = 49,133.04/x
  3. Step 3: Cross multiply
    87,361.44x = 120,563.12 × 49,133.04
  4. Step 4: Simplify right side
    87,361.44x = 5,923,632,597.48
  5. Step 5: Solve for x
    x = 5,923,632,597.48/87,361.44
  6. Step 6: Final answer
    x = 67,806.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.